See main article: article and 2019 Open Harmonie mutuelle.
Sander Arends and Tristan-Samuel Weissborn were the defending champions[1] but lost in the semifinals to Jonathan Eysseric and Antonio Šančić.
Jonathan Erlich and Fabrice Martin won the title after defeating Eysseric and Šančić 7–6(7–2), 7–6(7–2) in the final.